501.

Penumbral lunar eclipse There will be an eclipse of the Moon, visible from Antarctica, the Americas, Russia, Asia, Oceania and Alaska. Wed, 23 Mar 2016 at 07:48 EDT (3,034 days ago) in Virgo

502.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Sun, 20 Mar 2016 at 00:29 EDT (3,037 days ago) in Pisces

503.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Tue, 15 Mar 2016 at 13:03 EDT (3,042 days ago) in Taurus

504.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Thu, 10 Mar 2016 at 02:03 EDT (3,047 days ago) in Cetus

505.

Total solar eclipse There will be an eclipse of the Sun, visible from western Indonesia and western Federated States of Micronesia. Tue, 08 Mar 2016 at 20:57 EDT (3,049 days ago) in Aquarius

506.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 08 Mar 2016 at 20:55 EDT (3,049 days ago) in Aquarius

507.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Sun, 06 Mar 2016 at 15:19 EDT (3,051 days ago) in Aquarius

508.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Tue, 01 Mar 2016 at 18:11 EDT (3,056 days ago) in Ophiuchus

509.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Fri, 26 Feb 2016 at 22:27 EDT (3,060 days ago) in Virgo

510.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Thu, 25 Feb 2016 at 01:58 EDT (3,061 days ago) in Virgo

511.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 22 Feb 2016 at 13:19 EDT (3,064 days ago) in Leo

512.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Mon, 15 Feb 2016 at 02:47 EDT (3,071 days ago) in Taurus

513.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Wed, 10 Feb 2016 at 21:40 EDT (3,076 days ago) in Pisces

514.

New Moon The Moon disappears into the Sun's glare for a few days. Mon, 08 Feb 2016 at 09:40 EDT (3,078 days ago) in Aquarius

515.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Sat, 06 Feb 2016 at 20:51 EDT (3,080 days ago) in Sagittarius

516.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Sun, 31 Jan 2016 at 22:28 EDT (3,086 days ago) in Libra

517.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Sat, 30 Jan 2016 at 04:09 EDT (3,087 days ago) in Virgo

518.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Mon, 25 Jan 2016 at 02:14 EDT (3,092 days ago) in Leo

519.

Full Moon The Moon reaches full phase and is visible for much of the night. Sat, 23 Jan 2016 at 20:45 EDT (3,094 days ago) in Cancer

520.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Sat, 16 Jan 2016 at 18:26 EDT (3,101 days ago) in Pisces